An Approach to Determine Minimum Amplitude Required for Ultrasonic Welding — New Paper

By Rebecca Gurk on Monday, November 13th, 2017 in Advanced Manufacturing, Ultrasonic Processes. No Comments

One of the most important variables for ultrasonic welding is amplitude.  While recommended amplitude guidelines are available for many generic materials based on accumulated industry experience, use of specialized and newly developed materials is rapidly increasing.  To that end, it is desired to have a method for experimentally determining the minimum amplitude required for aRead more

New Paper — Hybrid Ultrasonic Spot Welding of High Strength Materials

By Rebecca Gurk on Thursday, October 19th, 2017 in Advanced Manufacturing, Aerospace, Automotive, EWI – Company, Lightweighting, Manufacturing Innovation, Manufacturing Technology, Resistance Processes/Solid-State Processes, Ultrasonic Processes. No Comments

EWI recently completed a study comparing the hybrid process to ultrasonic metal welding, focusing on joining aluminum 6061 to itself. The results of this research are discussed in a new paper by EWI Applications Engineer Lindsey Lindamood.

EWI GreenSeal™ Returns to Pack Expo 2017

By Beth Sharb on Monday, September 18th, 2017 in Advanced Manufacturing, EWI – Company, Manufacturing Technology, Packaging, Ultrasonic Processes. No Comments

Last year at Pack Expo 2016, EWI unveiled the newest innovation in ultrasonic packaging. This year, we’ll be back at Pack Expo demonstrating how EWI GreenSeal™ can improve your package performance, lower material usage, and enjoy significant savings. EWI’s narrower ultrasonic sealing technology produces a more effective seal that increases shelf life, eliminates the need forRead more

EWI and Lako Partner to Commercialize New Ultrasonic Package Sealing Technology

By Rebecca Gurk on Thursday, July 6th, 2017 in Advanced Manufacturing, Consumer Electronics, EWI – Company, Manufacturing Innovation, Manufacturing Technology, Packaging, Ultrasonic Processes. No Comments

EWI and Lako Tool are pleased to announce that they have signed a licensing agreement that allows Lako to retrofit and upgrade existing vertical form-fill seal (VFFS) packaging equipment with EWI GreenSeal™ ultrasonic sealing technology. EWI’s patented new technology can create seals as narrow as 1mm, thereby delivering the packaging industry improved package performance, lowerRead more

EWI Research on Ultrasonic-Assisted Drilling published in International Journal of Advanced Manufacturing Technology

By Christine Filippetti on Monday, June 5th, 2017 in Advanced Manufacturing, EWI – Company, EWI – Products, Government, Heavy Industry, Heavy Manufacturing, Manufacturing Innovation, Technology Innovation, Ultrasonic Processes. No Comments

A new article co-authored by EWI associates Amin Moghaddas, Matt Short, Nick Wiley, and Karl Graff, along with Allen Yi of The Ohio State University, was recently published in The International Journal of Advanced Manufacturing Technology. The article titled “Performance of an Ultrasonic-Assisted Drilling Module” discusses how the ultrasonic-assisted drilling module, designed using FEA methodsRead more

Developing a U.S. Roadmap for Advanced Joining and Forming Technologies — A New Report

By Tom McGaughy on Friday, March 31st, 2017 in Advanced Manufacturing, Aerospace, Arc Welding, Automotive, Consumer Electronics, Defense, Dissimilar Metals Joining, Events, EWI – Company, Forming, Friction Processes, Government, Heavy Industry, Heavy Manufacturing, Lightweighting, Manufacturing Technology, Microjoining, Oil & Gas, Packaging, Plastics Joining, Rail, Ultrasonic Processes. No Comments

Recently, EWI led the development of the first comprehensive U.S. Advanced Joining and Forming Technology Roadmap under a program funded by The National Institute of Standards and Technology (NIST) through the Advanced Manufacturing Technology Consortia (AMTech) program. The goal of this two-year effort was to develop a prioritized list of research and development topics aimedRead more

Laser Ultrasonic Testing: An EnLIGHTening Advancement in NDE — new paper

By Lindsey Lindamood on Thursday, February 23rd, 2017 in Aerospace, First Time Quality, Heavy Industry, Heavy Manufacturing, In-Process Monitoring, In-Process Sensing, Laser Processing, NDE and Inspection, Technology Innovation, Ultrasonic Processes. No Comments

Laser ultrasonic testing (LUT) is a powerful inspection technology capable of detecting flaws such as cracks and delaminations while simultaneously determining material density and elastic properties. While LUT has traditionally been used for aerospace applications and with structural composites, advances in the technology now make it well-suited to an array of other industry applications. ARead more

What is Ultrasonic Welding?

By Rebecca Gurk on Tuesday, February 21st, 2017 in Composites Joining, Consumer Electronics, Microjoining, Plastics Joining, Ultrasonic Processes. No Comments

When the question “What is Ultrasonic Welding?” appeared on the Q&A website Quora, EWI Applications Engineer Miranda Marcus stepped up to reply. Her succinct essay, covering both metal welding style and plastics welding style, is a clear and straightforward introduction for the technically curious. To read Miranda’s brief article on, click here.